added ruff test

apps/studio/tests/test_session_metadata.py

@@ -14,7 +14,6 @@ from types import SimpleNamespace
 
 import numpy as np
 import pytest
-
 from orisys_app_shared.force.filters import FilterSettings
 from orisys_app_shared.record import RecordConfig
 from orisys_studio import session_metadata as sm
@@ -133,7 +132,7 @@ def test_the_session_block_states_the_device_the_filters_and_the_picture():
     )
     worker = SimpleNamespace(
         capture_status=lambda: {"requested_fps": 30.0, "measured_fps": 21.0},
-        filter_state=lambda: {},
+        filter_state=dict,
         filter_settings=lambda: FilterSettings(),
         filters_unsupported=lambda: (),
     )